Joysun Dish-Flexible flap discs are designed and produced especially for grinding applications in compatibility with angle grinders by their high quality aluminum oxide, zirconium oxide, ceramic alumina and silicon carbide grains bonded to a cloth disc. The taper fitted flap structure allows the grinder to work flexibly on a variety of different metals, plastics and wood. The structure continuously exposes fresh sharp grains during operation for a highly effective grinding operation.